Why not ask them directly?

Tarmac Limited's population is 12,500.

Tarmac Limited was created in 1903.

If we didn't have Tarmac roads the roads would be bumpy and dusty, the dust would go in to the air and cause people to cough and could cause crashes. The inventor of Tarmac is Edgar Hooley he invented Tarmac in 1902. Tarmac is heated and then poured on to road.

When installed, tarmac is a mixture of solid aggregate in liquid asphalt. When the mixture cools, the finished tarmac pavement is solid.